CVE-2025-55208

Chamilo LMS has Stored Cross Site Scripting on Social Networks Uploaded Files

Published Mar 5, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Chamilo is a learning management system. Versions prior to 1.11.34 have a Stored XSS through insecure file uploads in `Social Networks`. Through it, a low-privilege user can execute arbitrary code in the admin user inbox, allowing takeover of the admin account. Version 1.11.34 fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Chamilo
Chamilo chamilo Lms
Vendors & Products Chamilo
Chamilo chamilo Lms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Chamilo is a learning management system. Versions prior to 1.11.34 have a Stored XSS through insecure file uploads in `Social Networks`. Through it, a low-privilege user can execute arbitrary code in the admin user inbox, allowing takeover of the admin account. Version 1.11.34 fixes the issue.
Title Chamilo LMS has Stored Cross Site Scripting on Social Networks Uploaded Files
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Mar 6, 2026, 10:43 AM
Reserved
Aug 8, 2025, 9:55 PM
Status
Analyzed
Published
Mar 5, 2026, 9:16 PM
Modified
Jun 17, 2026, 9:41 AM